Tropic Marin Bio-Magnesium

8 reviews
Tropic Marin Bio-Magnesium features a hefty and healthy dose of essential minerals and magnesium to help replenish levels lost during the growth of corals in your reef aquarium. With no nasty bits, it helps you maintain an even pH level for optimum development of your aquatic environment.


  • Bio-Magnesium 450g Sale
    code: 5098 In stock Only 2 left in stock
  • Bio-Magnesium 1.5kg Sale
    code: 5099 In stock Only 1 left in stock

Product Information

Tropic Marin Bio-Magnesium is an ionically balanced formulation of magnesium and minerals that will replenish the constantly depleted levels within a marine aquarium. It contains no phosphates or nitrates and maintains the perfect, natural ionic concentration and pH value of the reef fish tank water.

Tropic Marin Bio-Magnesium is the perfect addition to a marine fish tank for the healthy skeletal growth and maintenance of coralline algae and supports photosynthesis. 

Dosage: One level measuring spoon per 110 litres / 25 gallons

Key Features:

  • Contains a combination of magnesium and minerals to promote essential biochemical processes in the aquarium
  • Essential for the accelerated skeleton growth of corals and calcareous coralline algae
  • Maintains the natural ionic concentration and the pH value of the reef tank water
  • Contains no phosphates or nitrates.
  • Ionically balanced formula

Product Specification

Product Size
Tropic Marin Bio-Magnesium 450g 450g
Tropic Marin Bio-Magnesium 1.5kg 1.5kg

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